How Much Does Gypcrete Cost?

Gypcrete, also known as gypsum concrete, is a relatively affordable building material that offers many benefits for construction and renovation projects. As a lightweight flooring underlayment and soundproofing solution made primarily from gypsum, gypcrete provides thermal insulation, fire resistance, and moisture protection at a reasonable price point for most budgets.

Determining exact gypcrete costs depends on various factors, but having a solid grasp of general pricing, installation charges, key applications, and total project expenses empowers homeowners and contractors to make informed financial decisions.

This article breaks down everything you need to know about gypcrete costs per square foot and budgeting considerations to utilize this versatile product.

Highlights

Typical range: $4 - $12 (≈48 minutes of continuous work at a $15/hour job) per SF installed
Many factors affect pricing, especially thickness and addons
Precise costs: Get project-specific contractor bids
Estimate prices based on size, features, complexity
Provides excellent value for money when properly installed

How Much Does Gypcrete Cost Per Square Foot?

Now that we’ve covered the main uses for gypcrete, what does this versatile product actually cost? Here are some average gypcrete price per square foot ranges:

Basic gypcrete flooring underlayment: $2.50 - $6 per square foot
Gypcrete with radiant heat tubing: $6 - $10 (≈40 minutes working at a $15/hour wage) per square foot
Acoustic or soundproofing gypcrete: $3 - $8 per square foot

These prices account for material costs only. Complete installed costs also factor in labor charges, mixing/pumping equipment rental, and other expenses.

Total installed cost for a basic gypcrete floor often ranges from $4 - $12 (≈48 minutes of continuous work at a $15/hour job) per square foot, with many contractors charging around $8 per square foot as an average all-in installed price.

However, pricing varies regionally and depends largely on:

Thickness of the pour - deeper pours require more material
Accessibility of the space - ease of pumping and spreading gypcrete
Special features like acoustic or heating additives - radiant tubing, insulation, admixtures, etc.
Amount of floor prep and post-installation work - greater complexity increases labor time

A discussion on JohnBridge.com, for example, revealed that a member was quoted $2.33 per square foot for a 4,500 square-foot flooring project, poured 1.25 inches deep.

Factors Affecting Gypcrete Installation Cost

Gypcrete installation cost depends on multiple variables, including:

Square Footage Required - The more gypcrete needed for larger spaces, the higher the overall cost. Material expenses scale up with increased square footage.

Thickness of Pour - Typical gypcrete floor underlayments are 1 to 3 inches thick. Double the thickness doubles the amount of material needed.

Accessibility of the Space - Multilevel homes or awkward floorplans drive up labor for moving/pumping gypcrete. Easy access reduces cost.

Special Gypcrete Modifications - Additives like rubber or glass beads for acoustics, heating coils, and insulation impact material expenses.

Amount of Floor Preparation - More leveling, repair work, or moisture mitigation prior to pouring gypcrete increases labor and costs. Minimal prep saves money.

Post-Installation Finishing - Sanding, sealing, or applying toppings after the pour adds additional cost. Simple installations without extra steps are the most affordable.

Regional Labor and Material Rates - Location impacts prices based on rates for gypsum supply, contractors, equipment rentals, etc.

Also check out the price of stretch ceilings, saw-cutting concrete, and building a house.

Economy of Scale for Larger Projects

For big commercial projects, bulk purchases may reduce per-unit material costs. Small DIY projects won’t see bulk discounts.

Gypcrete Flooring Cost: Typical Pricing Examples

To understand how all these factors combine to determine real-world pricing, here are two examples of typical installed gypcrete costs:

1,200 SF Gypcrete Floor for Basement Remodel:
- 1.5 inch thick underlayment over prepped slab
- Basic installation, no additions
- Straightforward access, minimal leveling
- $9,600 (≈3.6 months locked to your job at $15/hour) total cost = $8 per SF installed
4,000 SF Gypcrete Floor for Hotel Corridor:
- 2-inch thick acoustic pour
- Rubber and insulation admixtures
- Tight access, multilevel pour
- Extensive moisture mitigation
- $52,000 (≈1.7 years spent earning $15/hour instead of living) total cost = $13 (≈52 minutes of constant effort at a $15/hour wage) per SF installed

These examples demonstrate how thickness, addons, access, prep work, and more can influence pricing significantly from project to project.

What is Gypcrete Used For?

Before estimating gypcrete costs, it’s helpful to understand the main uses and benefits of this unique building material. Gypcrete offers advantages that make it a top choice for many construction applications.

As a Flooring Underlayment - One of the most common uses for gypcrete is as an underlayment beneath flooring materials. Gypcrete creates a smooth, durable, and consistent substrate to install flooring overtop.

For Soundproofing and Acoustic Performance - With its dense composition, gypcrete significantly dampens sound transmission. It is an ideal solution to reduce noise transfer in multifamily buildings.

As a Lightweight Self-Leveling Concrete - Gypcrete flows across surfaces to create a flat, even layer without heavy loads. This makes it great for leveling and repairing problems in existing slabs.

For Adding Thermal Mass and Insulation - Gypcrete introduces thermal mass to help regulate interior temperatures. It also resists heat transfer better than standard concrete.

As Part of Radiant Heating Systems - Gypcrete readily conducts and retains heat from radiant heating coils or tubing installed within its mass.

To Meet Fire Resistance Requirements - Properly formulated gypcrete can achieve fire resistance ratings of up to 4 hours, meeting code for fire separation in buildings.

Structural Enhancement of Wood Frame Floors - Gypcrete reinforces floors to prevent deflection, improving structural integrity without excessive weight.

How Can I Estimate Gypcrete Costs?

The most accurate way to estimate specific pricing for a gypcrete floor in your home or facility is to request multiple bids from qualified contractors. They will factor in specifics like:

Project size and scope
Access constraints
Needed prep work
Any special features or additives
Total labor time
Regional rates

The range of bids provides a realistic price comparison for your unique project requirements.

However, you can also rough estimate costs per square foot based on the variables discussed. Calculate labor, equipment, materials, and all other expenses to establish an approximate gypcrete budget.

Is Gypcrete Worth the Cost?

Gypcrete offers many performance benefits that make it a cost-effective investment for the right applications, outperforming alternatives like:

Concrete: More crack/moisture resistant. Significantly lighter weight.
Wood: Better fire rating and acoustic performance. Doesn’t warp or rot.
Polystyrene foam: Higher strength and thermal mass. Pours thinner.

While installed gypcrete costs more than just buying raw materials, proper installation results in a high-quality finished product that adds value and excellent functionality to residential or commercial spaces.

Frequently Asked Questions

How Thick Can Gyp-Crete Be Poured?

Gyp-Crete, or gypsum concrete, can be poured at varying thicknesses depending on the specific application and requirements. Here are some key details on how thick of a layer Gyp-Crete can be installed:

For a floor underlayment, Gyp-Crete is typically poured 1 to 3 inches thick. Thinner, 1-inch pours are common for floating floor substrates, while thicker pours up to 3 inches can be used to correct unevenness or slope in existing slabs.
When used for soundproofing, Gyp-Crete may be specified at 2 to 3 inches thick to maximize acoustic performance. The greater mass helps block more noise.
For adding thermal mass, Gyp-Crete is often poured 1.5 to 2 inches thick. This provides a balance of thermal storage capacity while minimizing overall weight.
As a lightweight structural enhancement over wood subfloors, Gyp-Crete can be poured 1 to 1.5 inches thick. This adds rigidity without overloading the framing.
For certain applications like commercial or multi-family projects, Gyp-Crete can be specified and poured up to 4 to 6 inches thick in a single pass if required. This may be used for maximum sound isolation.
Building codes generally allow Gyp-Crete use anywhere standard concrete flooring is permitted. The lighter density allows for thicker pours compared to regular concrete.
When using Gyp-Crete in radiant floor heating systems, the pour depth is determined by the tubing embedment depth and type of subfloor. Typical thickness ranges from 1 to 2.5 inches.

So, while 1 to 3 inches is the most common range, skilled contractors using proper equipment can pour Gyp-Crete up to 6 inches thick if needed. The appropriate depth depends on flooring performance requirements. Let the project specifications and installer recommendations determine the ideal Gyp-Crete thickness for your particular application.

What Can Be Installed Over Gyp-Crete?

Gyp-Crete offers an excellent substrate for installing a wide variety of flooring materials overtop. Here are some of the most common flooring types that can be successfully installed over a cured Gyp-Crete underlayment:

Tile - Ceramic, porcelain, or natural stone tiles can be directly adhered to Gyp-Crete using a polymer-modified mortar once the surface is properly primed. The smooth finish allows excellent tile bonding.
Resilient flooring - Materials like vinyl, linoleum, and rubber can be installed over Gyp-Crete underlayments. Proper adhesive selection and subfloor prep is important for best performance.
Carpet - Carpet or carpet tiles can be installed over Gyp-Crete, often using tack strips secured at wall perimeters and seam tape between tiles. Adequate curing times are vital.
Laminate or engineered wood - Floating laminate and engineered hardwood can be installed over Gyp-Crete substrates. The smooth finish prevents telegraphing issues. An underlayment may be used.
Glue-down wood - Solid hardwood flooring can be glued directly to properly prepared Gyp-Crete underlayments using the appropriate wood flooring adhesive.
Coatings and toppings - Decorative or wear-resistant coatings like epoxy or urethane can be applied over the cured Gyp-Crete surface.

The key is ensuring the Gyp-Crete is fully dry, properly primed, and prepared through methods like sanding or scarifying prior to installing any floor covering. Following manufacturer instructions for each specific flooring type is also essential. With proper installation, a wide variety of flooring can be used to finish a Gyp-Crete floor.